PROMS/Volian.Svg.Library/SvgSerializer.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Xml.Serialization;
+using System.Xml;
+using System.Xml.Schema;
+using System.IO;
+
+namespace Volian.Svg.Library
+{
+	public static class SvgSerializer<T> where T : class
+	{
+		public static string StringSerialize(T t)
+		{
+			string strOutput = string.Empty;
+			XmlSerializer xs = new XmlSerializer(typeof(T),"http://www.w3.org/2000/svg");
+			using (MemoryStream ms = new MemoryStream())
+			{
+				xs.Serialize( new NonXsiTextWriter(ms,Encoding.UTF8), t);
+				//xs.Serialize(ms, t);
+				ms.Position = 0;
+				StreamReader sr = new StreamReader(ms);
+				strOutput = sr.ReadToEnd();
+				ms.Close();
+			}
+			return strOutput;
+		}
+		public static T StringDeserialize(string s)
+		{
+			T t;
+			XmlSerializer xs = new XmlSerializer(typeof(T), "http://www.w3.org/2000/svg");
+			UTF8Encoding enc = new UTF8Encoding();
+			Byte[] arrBytData = enc.GetBytes(s);
+			using (MemoryStream ms = new MemoryStream(arrBytData))
+			{
+				t = (T)xs.Deserialize(ms);
+			}
+			return t;
+		}
+		public static void WriteFile(T t, string fileName)
+		{
+			string strOutput = string.Empty;
+			XmlSerializer xs = new XmlSerializer(typeof(T), "http://www.w3.org/2000/svg");
+			using (FileStream fs = new FileStream(fileName, FileMode.Create))
+			{
+				xs.Serialize(new NonXsiTextWriter(fs,Encoding.UTF8), t);
+				fs.Close();
+			}
+		}
+		public static T ReadFile(string fileName)
+		{
+			T t;
+			XmlSerializer xs = new XmlSerializer(typeof(T), "http://www.w3.org/2000/svg");
+			using (FileStream fs = new FileStream(fileName, FileMode.Open))
+			{
+				t = (T)xs.Deserialize(fs);
+			}
+			return t;
+		}
+	}
+	public class NonXsiTextWriter : XmlTextWriter 
+	{ 
+		public NonXsiTextWriter( TextWriter w ) : base( w ) {} 
+		public NonXsiTextWriter( Stream w, Encoding encoding ) : base( w, encoding ) {
+			this.Formatting = Formatting.Indented;
+		} 
+		public NonXsiTextWriter( string filename, Encoding encoding ) : base( filename, encoding ) {} 
+		bool _skip = false; 
+		public override void WriteStartAttribute( string prefix, string localName, string ns ) 
+		{
+			if ((prefix == "xmlns" && (localName == "xsd" || localName == "xsi")) || // Omits XSD and XSI declarations. 
+				ns == XmlSchema.InstanceNamespace ) // Omits all XSI attributes. 
+			{
+				_skip = true; 
+				return; 
+			} 
+			if(localName == "xlink_href")
+				base.WriteStartAttribute(prefix, "xlink:href", ns);
+			else
+				base.WriteStartAttribute( prefix, localName, ns ); 
+		}
+		public override void WriteString( string text ) {
+			if ( _skip ) return; 
+			base.WriteString( text ); 
+		} 
+		public override void WriteEndAttribute() 
+		{ 
+			if ( _skip ) 
+			{ // Reset the flag, so we keep writing. 
+				_skip = false; 
+				return; 
+			} 
+			base.WriteEndAttribute(); 
+		} 
+	}
+}